Each option determines what Outlook does with identical files in the destination folder. Select the folder containing the items that you want to move. pst file will now appear in the folder sidebar.
pst file into their original folder or a new one
Choose File > Open & Export > Open Outlook Data File.pst file into their original folder or a new one, copy the email back to the original folder, or copy the email to a new folder. There are three ways to restore the data from your archives. How do I restore archived information in Outlook?